WIP: quic: add traces

Author: haproxyFred

src/quic_cid.c

@@ -321,6 +321,8 @@ struct quic_conn *retrieve_qc_conn_from_cid(struct quic_rx_packet *pkt,
 	HA_RWLOCK_RDLOCK(QC_CID_LOCK, &tree->lock);
 	node = ebmb_lookup(&tree->root, pkt->dcid.data, pkt->dcid.len);
 
+	TRACE_PRINTF(TRACE_LEVEL_PROTO, QUIC_EV_CONN_RXPKT, 0, 0, 0, 0,
+	             "tree@%p", tree);
 	/* If not found on an Initial/0-RTT packet, it could be because an
 	 * ODCID is reused by the client. Calculate the derived CID value to
 	 * retrieve it from the DCID tree.
@@ -329,9 +331,12 @@ struct quic_conn *retrieve_qc_conn_from_cid(struct quic_rx_packet *pkt,
 	     pkt->type == QUIC_PACKET_TYPE_0RTT)) {
 		const struct quic_cid derive_cid = quic_derive_cid(&pkt->dcid, saddr);
 
+		TRACE_DEVEL("connection not found", QUIC_EV_CONN_RXPKT, NULL, pkt);
 		HA_RWLOCK_RDUNLOCK(QC_CID_LOCK, &tree->lock);
 
 		tree = &quic_cid_trees[quic_cid_tree_idx(&derive_cid)];
+		TRACE_PRINTF(TRACE_LEVEL_PROTO, QUIC_EV_CONN_RXPKT, 0, 0, 0, 0,
+		             "tree@%p", tree);
 		HA_RWLOCK_RDLOCK(QC_CID_LOCK, &tree->lock);
 		node = ebmb_lookup(&tree->root, derive_cid.data, derive_cid.len);
 	}

src/quic_trace.c

@@ -310,11 +310,21 @@ static void quic_trace(enum trace_level level, uint64_t mask, const struct trace
 			const struct quic_rx_packet *pkt = a2;
 			const struct quic_rx_crypto_frm *cf = a3;
 			const SSL *ssl = a4;
+			int i;
 
-			if (pkt)
+			if (pkt) {
 				chunk_appendf(&trace_buf, " pkt@%p el=%c pn=%llu", pkt,
 				              quic_packet_type_enc_level_char(pkt->type),
 				              (unsigned long long)pkt->pn);
+				if (pkt->dcid.len) {
+					chunk_appendf(&trace_buf, "dcid: ");
+					/* DCID */
+					for (i = 0; i < pkt->dcid.len; ++i)
+						chunk_appendf(&trace_buf, "%02x", pkt->dcid.data[i]);
+				}
+			}
+
+
 			if (cf)
 				chunk_appendf(&trace_buf, " cfoff=%llu cflen=%llu",
 				              (unsigned long long)cf->offset_node.key,